<?php
if (! isset ( $_SERVER ['PHP_AUTH_USER'] )) {
	header ( 'WWW-Authenticate: Basic realm="My Realm"' );
	header ( 'HTTP/1.0 401 Unauthorized' );
	echo 'Text to send if user hits Cancel button';
	exit ();
} else {
	echo "<p>Hello {$_SERVER['PHP_AUTH_USER']}.</p>";
	echo "<p>You entered {$_SERVER['PHP_AUTH_PW']} as your password.</p>";
}
?> 